package com.ruoyi.framework.web.service;

import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.domain.doctor.Doctor;
import com.ruoyi.common.domain.doctor.Patient;
import com.ruoyi.doctor.mapper.DoctorMapper;
import com.ruoyi.doctor.mapper.PatientMapper;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.mapper.SysRoleMapper;
import com.ruoyi.system.mapper.SysUserRoleMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.RegisterBody;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

import java.util.Collections;

/**
 * 注册校验方法
 *
 * @author ruoyi
 */
@Component
public class SysRegisterService {
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private SysRoleMapper roleMapper;

    @Autowired
    private SysUserRoleMapper userRoleMapper;

    @Autowired
    private DoctorMapper doctorMapper;

    @Autowired
    private PatientMapper patientMapper;

    /**
     * 注册
     */
    public String register(RegisterBody registerBody) {

        String msg = "", username = registerBody.getUsername(), password = registerBody.getPassword();
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);

        // 验证码开关
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled) {
            validateCaptcha(username, registerBody.getCode(), registerBody.getUuid());
        }

        if (StringUtils.isEmpty(username)) {
            msg = "用户名不能为空";
        } else if (StringUtils.isEmpty(password)) {
            msg = "用户密码不能为空";
        } else if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            msg = "账户长度必须在2到20个字符之间";
        } else if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            msg = "密码长度必须在5到20个字符之间";
        } else if (!userService.checkUserNameUnique(sysUser)) {
            msg = "保存用户'" + username + "'失败，注册账号已存在";
        } else {
            sysUser.setNickName(username);
            sysUser.setPwdUpdateDate(DateUtils.getNowDate());
            sysUser.setPassword(SecurityUtils.encryptPassword(password));
            boolean regFlag = userService.registerUser(sysUser);
            if (!regFlag) {
                msg = "注册失败,请联系系统管理人员";
            } else {
                String userType = registerBody.getUserType(); // "doctor" 或 "patient"

                if (StringUtils.isNotBlank(userType)) {
                    SysRole role = null;
                    Long roleId = null;

                    if ("doctor".equals(userType)) {
                        // 假设医生角色的 key 是 "doctor"，或者你可以从数据库查询
                        role = roleMapper.selectRoleByRoleKey("doctor"); // 请确保该 RoleKey 存在
                        if (role != null) {
                            roleId = role.getRoleId();
                        }

                    } else if ("patient".equals(userType)) {
                        // 假设患者角色的 key 是 "patient"
                        role = roleMapper.selectRoleByRoleKey("patient"); // 请确保该 RoleKey 存在
                        if (role != null) {
                            roleId = role.getRoleId();
                        }
                    }

                    // 如果找到了角色，则插入用户角色关联
                    if (roleId != null) {
                        SysUserRole ur = new SysUserRole();
                        ur.setUserId(sysUser.getUserId());
                        ur.setRoleId(roleId);
                        userRoleMapper.batchUserRole(Collections.singletonList(ur));
                    }

                    // ======================
                    // 如果是医生，保存医生信息到 doctor 表
                    // ======================
                    if ("doctor".equals(userType)) {
                        Doctor doctor = new Doctor();
                        doctor.setUserId(sysUser.getUserId());
                        doctor.setName(sysUser.getUserName());

                        doctorMapper.insertDoctor(doctor);
                    }else if ("patient".equals(userType)){
                        Patient patient = new Patient();
                        patient.setUserId(sysUser.getUserId());
                        patient.setName(sysUser.getUserName());
                        // 插入患者表
                        patientMapper.insertPatient(patient);
                    }
                }

                AsyncManager.me().execute(
                        AsyncFactory.recordLogininfor(
                                username, Constants.REGISTER, MessageUtils.message("user.register.success")
                        )
                );
            }
        }
        return msg;
    }

    /**
     * 校验验证码
     *
     * @param username 用户名
     * @param code     验证码
     * @param uuid     唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid) {
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
        String captcha = redisCache.getCacheObject(verifyKey);
        redisCache.deleteObject(verifyKey);
        if (captcha == null) {
            throw new CaptchaExpireException();
        }
        if (!code.equalsIgnoreCase(captcha)) {
            throw new CaptchaException();
        }
    }
}
